Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:08:22 2013 Optimize a model with 1650 rows, 225150 columns and 450150 nonzeros Presolve time: 0.53s Presolved: 1650 rows, 225150 columns, 450150 nonzeros Variable types: 225000 continuous, 150 integer (150 binary) Root relaxation: objective 2.142333e+05, 6647 iterations, 0.48 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 214233.255 0 10 - 214233.255 - - 1s H 0 0 229171.00000 214233.255 6.52% - 1s H 0 0 215298.00000 214233.255 0.49% - 2s 0 0 214412.090 0 5 215298.000 214412.090 0.41% - 2s 0 0 214412.090 0 10 215298.000 214412.090 0.41% - 3s 0 0 214412.090 0 5 215298.000 214412.090 0.41% - 4s 0 0 214420.420 0 5 215298.000 214420.420 0.41% - 4s 0 0 214427.679 0 4 215298.000 214427.679 0.40% - 4s 0 0 214432.151 0 4 215298.000 214432.151 0.40% - 4s 0 0 214435.705 0 4 215298.000 214435.705 0.40% - 4s 0 0 214435.705 0 4 215298.000 214435.705 0.40% - 5s 0 0 214436.635 0 4 215298.000 214436.635 0.40% - 5s 0 0 214436.923 0 3 215298.000 214436.923 0.40% - 5s 0 0 214436.923 0 3 215298.000 214436.923 0.40% - 5s 0 0 214436.923 0 3 215298.000 214436.923 0.40% - 6s 0 0 214436.923 0 3 215298.000 214436.923 0.40% - 6s 0 0 214437.427 0 2 215298.000 214437.427 0.40% - 6s 0 2 214440.586 0 2 215298.000 214440.586 0.40% - 7s H 7 5 215266.00000 214517.735 0.35% 42.3 7s H 8 6 215217.00000 214517.735 0.32% 45.0 7s H 11 7 215000.00000 214517.735 0.22% 55.5 8s H 12 6 214747.00000 214517.735 0.11% 54.0 8s H 13 7 214729.00000 214517.735 0.10% 52.4 8s * 15 6 15 214691.00000 214517.735 0.08% 47.3 8s Cutting planes: Implied bound: 98 Flow cover: 3 Explored 25 nodes (12478 simplex iterations) in 9.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.146910000000e+05, best bound 2.146910000000e+05, gap 0.0%